On 6 Oct 1998 01:56:56 GMT, webpa@aol.com (WEBPA) wrote:

>Uh...hate to introduce physics here, but the "3D effect" is the result of
>photographing or drawing two separate pictures from two separate viewpoints or
>locations (the location difference between the views is called parallax).
>Red/blue filters (and several other techniques) simply restrict viewing of
>those separate images to the intended eye. "Shifting" parts of an image
>photographed from a single location to one side will not produce a 3D effect.
>It will however, produce a headache.
>
> On the other hand, if you happen to have a video/film sequence during which
>the camera dollys (moves) sideways, then the parallax difference from one frame
>to the next can produce a quite pronounced (and extremely variable) 3D effect
>during that sequence. Someone tried (unsuccessfully) to market a TV device
>based on this a few years ago. Didn't fly for obvious reasons.

I shot some stereo video yesterday (two VX-1000's side-by-side...),
and will try, in the next few days, to do a split-screen rendering
of cropped images (with properly-placed centers, if I can manage
it...;-) for direct crossed-eye viewing..... Should be fun, if it
works! ;-)